./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/sll2n_remove_all.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-simple/sll2n_remove_all.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a3189d7d4e71631c5441bd903e5049703e07b8be .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-simple/sll2n_remove_all.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a3189d7d4e71631c5441bd903e5049703e07b8be ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 11:23:19,986 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:23:19,990 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:23:20,022 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:23:20,023 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:23:20,033 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:23:20,035 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:23:20,051 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:23:20,055 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:23:20,060 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:23:20,063 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:23:20,067 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:23:20,070 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:23:20,075 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:23:20,079 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:23:20,084 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:23:20,085 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:23:20,089 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:23:20,096 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:23:20,105 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:23:20,111 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:23:20,118 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:23:20,120 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:23:20,123 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:23:20,134 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:23:20,135 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:23:20,135 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:23:20,137 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:23:20,138 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:23:20,140 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:23:20,142 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:23:20,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:23:20,145 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:23:20,150 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:23:20,152 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:23:20,152 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:23:20,155 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:23:20,156 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:23:20,156 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:23:20,159 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:23:20,161 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:23:20,164 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 11:23:20,205 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:23:20,206 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:23:20,210 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:23:20,212 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:23:20,215 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:23:20,215 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:23:20,216 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:23:20,216 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:23:20,216 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:23:20,217 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:23:20,217 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:23:20,217 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:23:20,218 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:23:20,222 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:23:20,222 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:23:20,223 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:23:20,223 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:23:20,223 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:23:20,224 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:23:20,224 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:23:20,225 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:23:20,225 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:23:20,227 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:23:20,227 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:23:20,228 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:23:20,228 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:23:20,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:23:20,230 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3189d7d4e71631c5441bd903e5049703e07b8be [2019-11-27 11:23:20,838 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:23:20,868 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:23:20,875 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:23:20,878 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:23:20,880 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:23:20,881 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_remove_all.i [2019-11-27 11:23:21,035 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c96911f37/5066d39c34ab468a8cceda0b325548cb/FLAGdbb7238bf [2019-11-27 11:23:22,214 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:23:22,216 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_remove_all.i [2019-11-27 11:23:22,254 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c96911f37/5066d39c34ab468a8cceda0b325548cb/FLAGdbb7238bf [2019-11-27 11:23:22,703 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c96911f37/5066d39c34ab468a8cceda0b325548cb [2019-11-27 11:23:22,714 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:23:22,718 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:23:22,724 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:22,724 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:23:22,730 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:23:22,735 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:22" (1/1) ... [2019-11-27 11:23:22,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@de57550 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:22, skipping insertion in model container [2019-11-27 11:23:22,745 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:22" (1/1) ... [2019-11-27 11:23:22,762 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:23:22,863 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:23:23,693 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:23,709 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:23:23,836 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:23,958 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:23:23,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:23 WrapperNode [2019-11-27 11:23:23,961 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:23,962 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:23:23,963 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:23:23,963 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:23:23,985 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:23" (1/1) ... [2019-11-27 11:23:23,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:23" (1/1) ... [2019-11-27 11:23:24,031 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:23" (1/1) ... [2019-11-27 11:23:24,031 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:23" (1/1) ... [2019-11-27 11:23:24,065 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:23" (1/1) ... [2019-11-27 11:23:24,095 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:23" (1/1) ... [2019-11-27 11:23:24,108 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:23" (1/1) ... [2019-11-27 11:23:24,124 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:23:24,144 INFO L168 Benchmark]: Toolchain (without parser) took 1410.86 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 979.7 MB in the end (delta: -13.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:24,145 INFO L168 Benchmark]: CDTParser took 2.20 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:24,149 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1238.41 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 979.7 MB in the end (delta: -13.7 MB). Peak memory consumption was 26.4 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:24,152 INFO L168 Benchmark]: Boogie Preprocessor took 161.76 ms. Allocated memory is still 1.0 GB. Free memory is still 979.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:24,163 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.20 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1238.41 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 979.7 MB in the end (delta: -13.7 MB). Peak memory consumption was 26.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 161.76 ms. Allocated memory is still 1.0 GB. Free memory is still 979.7 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 11:23:28,031 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:23:28,034 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:23:28,072 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:23:28,074 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:23:28,078 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:23:28,085 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:23:28,098 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:23:28,105 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:23:28,109 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:23:28,113 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:23:28,117 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:23:28,120 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:23:28,124 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:23:28,129 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:23:28,132 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:23:28,136 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:23:28,138 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:23:28,143 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:23:28,153 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:23:28,158 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:23:28,166 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:23:28,171 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:23:28,173 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:23:28,181 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:23:28,182 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:23:28,184 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:23:28,186 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:23:28,189 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:23:28,191 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:23:28,194 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:23:28,195 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:23:28,196 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:23:28,200 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:23:28,202 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:23:28,204 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:23:28,207 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:23:28,208 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:23:28,208 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:23:28,212 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:23:28,217 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:23:28,218 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 11:23:28,261 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:23:28,263 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:23:28,267 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:23:28,269 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:23:28,269 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:23:28,269 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:23:28,271 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:23:28,271 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:23:28,271 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:23:28,274 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:23:28,275 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:23:28,275 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:23:28,276 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:23:28,276 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:23:28,277 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:23:28,277 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:23:28,279 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:23:28,279 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:23:28,279 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:23:28,280 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:23:28,280 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:23:28,280 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:23:28,282 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:23:28,282 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:23:28,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:23:28,283 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:23:28,283 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:23:28,285 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:23:28,285 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:23:28,285 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:23:28,287 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3189d7d4e71631c5441bd903e5049703e07b8be [2019-11-27 11:23:28,825 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:23:28,855 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:23:28,862 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:23:28,864 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:23:28,867 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:23:28,869 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_remove_all.i [2019-11-27 11:23:29,025 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7364233be/6ebbf97c61a84e9ba6ff95cd9ab86ee9/FLAG1cbbea6de [2019-11-27 11:23:30,197 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:23:30,199 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_remove_all.i [2019-11-27 11:23:30,223 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7364233be/6ebbf97c61a84e9ba6ff95cd9ab86ee9/FLAG1cbbea6de [2019-11-27 11:23:30,737 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7364233be/6ebbf97c61a84e9ba6ff95cd9ab86ee9 [2019-11-27 11:23:30,745 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:23:30,756 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:23:30,759 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:30,761 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:23:30,768 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:23:30,774 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:30" (1/1) ... [2019-11-27 11:23:30,777 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d1ff36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:30, skipping insertion in model container [2019-11-27 11:23:30,780 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:30" (1/1) ... [2019-11-27 11:23:30,800 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:23:30,896 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:23:31,790 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:31,830 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:23:31,960 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:32,079 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:23:32,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:32 WrapperNode [2019-11-27 11:23:32,080 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:32,081 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:23:32,082 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:23:32,082 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:23:32,100 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:32" (1/1) ... [2019-11-27 11:23:32,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:32" (1/1) ... [2019-11-27 11:23:32,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:32" (1/1) ... [2019-11-27 11:23:32,157 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:32" (1/1) ... [2019-11-27 11:23:32,216 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:32" (1/1) ... [2019-11-27 11:23:32,232 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:32" (1/1) ... [2019-11-27 11:23:32,244 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:32" (1/1) ... [2019-11-27 11:23:32,257 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:23:32,267 INFO L168 Benchmark]: Toolchain (without parser) took 1509.95 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 958.8 MB in the beginning and 968.2 MB in the end (delta: -9.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:32,272 INFO L168 Benchmark]: CDTParser took 2.87 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:32,274 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1321.78 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 958.8 MB in the beginning and 974.0 MB in the end (delta: -15.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:32,275 INFO L168 Benchmark]: Boogie Preprocessor took 178.29 ms. Allocated memory is still 1.0 GB. Free memory was 974.0 MB in the beginning and 968.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:32,295 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.87 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1321.78 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 958.8 MB in the beginning and 974.0 MB in the end (delta: -15.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 178.29 ms. Allocated memory is still 1.0 GB. Free memory was 974.0 MB in the beginning and 968.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...